Cosmic-ray-modified shocks

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39219

Title:	Cosmic-ray-modified shocks
Authors:	Ko,CM
Contributors:	物理研究所
Keywords:	MODIFIED STELLAR WINDS;DIFFUSIVE PARTICLE-ACCELERATION;GENERATED ALFVEN WAVES;SUPERNOVA-REMNANTS;MEDIATED SHOCKS;PARALLEL SHOCKS;ASTROPHYSICAL SHOCKS;PLASMA INSTABILITY;2-FLUID MODELS;INJECTION
Date:	1995
Issue Date:	2010-07-08 14:08:42 (UTC+8)
Publisher:	中央大學
Abstract:	It is now commonly accepted shock acceleration (in various forms) is an important (if not the most) mechanism to accelerate energetic particles or cosmic rays. One of the attractive features of this mechanism is its efficiency. However, simple energy budget argument then leads to the consideration of the backreaction of the cosmic rays on the plasma and the shock. Hydrodynamic approach is a good approximation in studying the structure of the modified shock. There are two generic structures. One of them is the upstream plasma is slowed down and is followed by a sub-shock, and the other is a smooth transition. Various aspects of the modified shock, such as instability, injection, efficiency, time evolution, are discussed. Remarks on the limitation of hydrodynamic approach are given.
Relation:	PHYSICS OF COLLISIONLESS SHOCKS
Appears in Collections:	[Graduate Institute of Physics] journal & Dissertation

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